mirror of
https://github.com/mitb-archive/filebot
synced 2024-08-13 17:03:45 -04:00
54 lines
1.7 KiB
Java
54 lines
1.7 KiB
Java
package net.filebot.cli;
|
|
|
|
import static java.nio.charset.StandardCharsets.*;
|
|
import static java.util.Arrays.*;
|
|
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.FileNotFoundException;
|
|
import java.io.InputStream;
|
|
import java.security.cert.Certificate;
|
|
import java.security.cert.CertificateException;
|
|
import java.security.cert.CertificateFactory;
|
|
import java.util.Arrays;
|
|
import java.util.jar.JarEntry;
|
|
import java.util.jar.JarInputStream;
|
|
|
|
import com.google.common.io.ByteStreams;
|
|
|
|
public class ScriptBundle implements ScriptProvider {
|
|
|
|
private byte[] bytes;
|
|
private Certificate certificate;
|
|
|
|
public ScriptBundle(byte[] bytes, InputStream certificate) throws CertificateException {
|
|
this.bytes = bytes;
|
|
this.certificate = CertificateFactory.getInstance("X.509").generateCertificate(certificate);
|
|
}
|
|
|
|
@Override
|
|
public String getScript(String name) throws Exception {
|
|
try (JarInputStream jar = new JarInputStream(new ByteArrayInputStream(bytes), true)) {
|
|
for (JarEntry f = jar.getNextJarEntry(); f != null; f = jar.getNextJarEntry()) {
|
|
if (f.isDirectory() || !f.getName().startsWith(name) || !f.getName().substring(name.length()).equals(".groovy"))
|
|
continue;
|
|
|
|
// completely read and verify current jar entry
|
|
byte[] bytes = ByteStreams.toByteArray(jar);
|
|
jar.closeEntry();
|
|
|
|
// file must be signed
|
|
Certificate[] certificates = f.getCertificates();
|
|
|
|
if (certificates == null || stream(f.getCertificates()).noneMatch(certificate::equals))
|
|
throw new SecurityException(String.format("BAD certificate: %s", Arrays.toString(certificates)));
|
|
|
|
return new String(bytes, UTF_8);
|
|
}
|
|
}
|
|
|
|
// script does not exist
|
|
throw new FileNotFoundException("Script not found: " + name);
|
|
}
|
|
|
|
}
|